コード例 #1
0
ファイル: gianfar_ethtool.c プロジェクト: kzlin129/tt-gpl
/* Change the coalescing values.
 * Both cvals->*_usecs and cvals->*_frames have to be > 0
 * in order for coalescing to be active
 */
static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals)
{
	struct gfar_private *priv = netdev_priv(dev);

	if (!(priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE))
		return -EOPNOTSUPP;

	/* Set up rx coalescing */
	if ((cvals->rx_coalesce_usecs == 0) ||
	    (cvals->rx_max_coalesced_frames == 0))
		priv->rxcoalescing = 0;
	else
		priv->rxcoalescing = 1;

	priv->rxtime = gfar_usecs2ticks(priv, cvals->rx_coalesce_usecs);
	priv->rxcount = cvals->rx_max_coalesced_frames;

	/* Set up tx coalescing */
	if ((cvals->tx_coalesce_usecs == 0) ||
	    (cvals->tx_max_coalesced_frames == 0))
		priv->txcoalescing = 0;
	else
		priv->txcoalescing = 1;

	priv->txtime = gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs);
	priv->txcount = cvals->tx_max_coalesced_frames;

	if (priv->rxcoalescing)
		gfar_write(&priv->regs->rxic,
			   mk_ic_value(priv->rxcount, priv->rxtime));
	else
		gfar_write(&priv->regs->rxic, 0);

	if (priv->txcoalescing)
		gfar_write(&priv->regs->txic,
			   mk_ic_value(priv->txcount, priv->txtime));
	else
		gfar_write(&priv->regs->txic, 0);

	return 0;
}
コード例 #2
0
ファイル: gianfar_ethtool.c プロジェクト: c444b774/linux
/* Change the coalescing values.
 * Both cvals->*_usecs and cvals->*_frames have to be > 0
 * in order for coalescing to be active
 */
static int gfar_scoalesce(struct net_device *dev,
			  struct ethtool_coalesce *cvals)
{
	struct gfar_private *priv = netdev_priv(dev);
	int i, err = 0;

	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE))
		return -EOPNOTSUPP;

	if (NULL == priv->phydev)
		return -ENODEV;

	/* Check the bounds of the values */
	if (cvals->rx_coalesce_usecs > GFAR_MAX_COAL_USECS) {
		netdev_info(dev, "Coalescing is limited to %d microseconds\n",
			    GFAR_MAX_COAL_USECS);
		return -EINVAL;
	}

	if (cvals->rx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) {
		netdev_info(dev, "Coalescing is limited to %d frames\n",
			    GFAR_MAX_COAL_FRAMES);
		return -EINVAL;
	}

	/* Check the bounds of the values */
	if (cvals->tx_coalesce_usecs > GFAR_MAX_COAL_USECS) {
		netdev_info(dev, "Coalescing is limited to %d microseconds\n",
			    GFAR_MAX_COAL_USECS);
		return -EINVAL;
	}

	if (cvals->tx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) {
		netdev_info(dev, "Coalescing is limited to %d frames\n",
			    GFAR_MAX_COAL_FRAMES);
		return -EINVAL;
	}

	while (test_and_set_bit_lock(GFAR_RESETTING, &priv->state))
		cpu_relax();

	/* Set up rx coalescing */
	if ((cvals->rx_coalesce_usecs == 0) ||
	    (cvals->rx_max_coalesced_frames == 0)) {
		for (i = 0; i < priv->num_rx_queues; i++)
			priv->rx_queue[i]->rxcoalescing = 0;
	} else {
		for (i = 0; i < priv->num_rx_queues; i++)
			priv->rx_queue[i]->rxcoalescing = 1;
	}

	for (i = 0; i < priv->num_rx_queues; i++) {
		priv->rx_queue[i]->rxic = mk_ic_value(
			cvals->rx_max_coalesced_frames,
			gfar_usecs2ticks(priv, cvals->rx_coalesce_usecs));
	}

	/* Set up tx coalescing */
	if ((cvals->tx_coalesce_usecs == 0) ||
	    (cvals->tx_max_coalesced_frames == 0)) {
		for (i = 0; i < priv->num_tx_queues; i++)
			priv->tx_queue[i]->txcoalescing = 0;
	} else {
		for (i = 0; i < priv->num_tx_queues; i++)
			priv->tx_queue[i]->txcoalescing = 1;
	}

	for (i = 0; i < priv->num_tx_queues; i++) {
		priv->tx_queue[i]->txic = mk_ic_value(
			cvals->tx_max_coalesced_frames,
			gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs));
	}

	if (dev->flags & IFF_UP) {
		stop_gfar(dev);
		err = startup_gfar(dev);
	} else {
		gfar_mac_reset(priv);
	}

	clear_bit_unlock(GFAR_RESETTING, &priv->state);

	return err;
}
コード例 #3
0
ファイル: gianfar_ethtool.c プロジェクト: AppEngine/linux-2.6
/* Change the coalescing values.
 * Both cvals->*_usecs and cvals->*_frames have to be > 0
 * in order for coalescing to be active
 */
static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals)
{
	struct gfar_private *priv = netdev_priv(dev);

	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE))
		return -EOPNOTSUPP;

	/* Set up rx coalescing */
	if ((cvals->rx_coalesce_usecs == 0) ||
	    (cvals->rx_max_coalesced_frames == 0))
		priv->rxcoalescing = 0;
	else
		priv->rxcoalescing = 1;

	if (NULL == priv->phydev)
		return -ENODEV;

	/* Check the bounds of the values */
	if (cvals->rx_coalesce_usecs > GFAR_MAX_COAL_USECS) {
		pr_info("Coalescing is limited to %d microseconds\n",
				GFAR_MAX_COAL_USECS);
		return -EINVAL;
	}

	if (cvals->rx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) {
		pr_info("Coalescing is limited to %d frames\n",
				GFAR_MAX_COAL_FRAMES);
		return -EINVAL;
	}

	priv->rxic = mk_ic_value(cvals->rx_max_coalesced_frames,
		gfar_usecs2ticks(priv, cvals->rx_coalesce_usecs));

	/* Set up tx coalescing */
	if ((cvals->tx_coalesce_usecs == 0) ||
	    (cvals->tx_max_coalesced_frames == 0))
		priv->txcoalescing = 0;
	else
		priv->txcoalescing = 1;

	/* Check the bounds of the values */
	if (cvals->tx_coalesce_usecs > GFAR_MAX_COAL_USECS) {
		pr_info("Coalescing is limited to %d microseconds\n",
				GFAR_MAX_COAL_USECS);
		return -EINVAL;
	}

	if (cvals->tx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) {
		pr_info("Coalescing is limited to %d frames\n",
				GFAR_MAX_COAL_FRAMES);
		return -EINVAL;
	}

	priv->txic = mk_ic_value(cvals->tx_max_coalesced_frames,
		gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs));

	gfar_write(&priv->regs->rxic, 0);
	if (priv->rxcoalescing)
		gfar_write(&priv->regs->rxic, priv->rxic);

	gfar_write(&priv->regs->txic, 0);
	if (priv->txcoalescing)
		gfar_write(&priv->regs->txic, priv->txic);

	return 0;
}
コード例 #4
0
/* Change the coalescing values.
 * Both cvals->*_usecs and cvals->*_frames have to be > 0
 * in order for coalescing to be active
 */
static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals)
{
	struct gfar_private *priv = netdev_priv(dev);
	int i = 0;

	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE))
		return -EOPNOTSUPP;

	/* Set up rx coalescing */
	/* As of now, we will enable/disable coalescing for all
	 * queues together in case of eTSEC2, this will be modified
	 * along with the ethtool interface */
	if ((cvals->rx_coalesce_usecs == 0) ||
	    (cvals->rx_max_coalesced_frames == 0)) {
		for (i = 0; i < priv->num_rx_queues; i++)
			priv->rx_queue[i]->rxcoalescing = 0;
	} else {
		for (i = 0; i < priv->num_rx_queues; i++)
			priv->rx_queue[i]->rxcoalescing = 1;
	}

	if (NULL == priv->phydev)
		return -ENODEV;

	/* Check the bounds of the values */
	if (cvals->rx_coalesce_usecs > GFAR_MAX_COAL_USECS) {
		pr_info("Coalescing is limited to %d microseconds\n",
				GFAR_MAX_COAL_USECS);
		return -EINVAL;
	}

	if (cvals->rx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) {
		pr_info("Coalescing is limited to %d frames\n",
				GFAR_MAX_COAL_FRAMES);
		return -EINVAL;
	}

	for (i = 0; i < priv->num_rx_queues; i++) {
		priv->rx_queue[i]->rxic = mk_ic_value(
			cvals->rx_max_coalesced_frames,
			gfar_usecs2ticks(priv, cvals->rx_coalesce_usecs));
	}

	/* Set up tx coalescing */
	if ((cvals->tx_coalesce_usecs == 0) ||
	    (cvals->tx_max_coalesced_frames == 0)) {
		for (i = 0; i < priv->num_tx_queues; i++)
			priv->tx_queue[i]->txcoalescing = 0;
	} else {
		for (i = 0; i < priv->num_tx_queues; i++)
			priv->tx_queue[i]->txcoalescing = 1;
	}

	/* Check the bounds of the values */
	if (cvals->tx_coalesce_usecs > GFAR_MAX_COAL_USECS) {
		pr_info("Coalescing is limited to %d microseconds\n",
				GFAR_MAX_COAL_USECS);
		return -EINVAL;
	}

	if (cvals->tx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) {
		pr_info("Coalescing is limited to %d frames\n",
				GFAR_MAX_COAL_FRAMES);
		return -EINVAL;
	}

	for (i = 0; i < priv->num_tx_queues; i++) {
		priv->tx_queue[i]->txic = mk_ic_value(
			cvals->tx_max_coalesced_frames,
			gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs));
	}

	gfar_configure_coalescing(priv, 0xFF, 0xFF);

	return 0;
}